June 13, 2024


Step Into The Technology

2 Trusted Bottleneck Calculator Software Online

5 min read
by Vlad Turiceanu

Vlad Turiceanu

Passionate about technology, Windows, and everything that has a power button, he spent most of his time developing new skills and learning more about the tech world. Coming… read more

  • Bottleneck calculators are essential for monitoring PC performance and for planning your next upgrade.
  • Due to various factors, sometimes these tools aren’t the most accurate, and your results can vary.
  • If you’re a beginner, then this software should give you a vague idea of your hardware bottlenecks.

bottleneck calculator software


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Bottleneck calculator software is a tool for analyzing the performance of the computer processor and graphics card.

It checks for the speed between the CPU and GPU to analyze their compatibility and the reasons for the PC bottleneck.

Meanwhile, a bottleneck is a situation that occurs when there is a disparity between how much data is being sent for processing and how much data can be processed at the same time.

Often, a bottleneck occurs from a wrong pairing of processor (CPU) and graphics card (GPU). Simply put, one of the components is too old or incompatible with the others.

Hence, it causes a slowdown in data processing and reduces computer performance. If you want to keep track of your hardware, you should consider using reliable resource monitor software.

How do I calculate CPU bottleneck in GPU?

Normally, the GPU performance should be pegged at 99-100% with a CPU below 99-100% to be considered a GPU bottleneck; which is good.

However, in the case where the CPU is at 99-100% of full utility while the GPU runs below 99-100%, then the CPU is bottlenecking the GPU.

Are bottleneck calculators legit?

Do bottleneck calculators work? While the answer is yes, we have to say that they are unreliable. Most users complain of their lack to present accurate data to make an informed decision on the causes of their PC bottleneck.

However, bottleneck calculators could be considered useful only when they are used to generate estimates or get an overall idea of the disparity in performance between the CPU and GPU.

Is the CPU bottleneck calculator accurate?

The answer to this is in two ways depending on the calculator and the apps running. In a situation where only one app is active, the chances of getting an accurate result with the bottleneck calculator are high.

However, if the issues stem from the CPU, the bottleneck calculator will most likely be incorrect.

Hence, most users believe that bottleneck calculators are not accurate but good for estimating potential causes of the bottleneck.

What is the best bottleneck calculator software?

PC-Build’s bottleneck calculator offers a simple and easy-to-use tool with an immersive user interface. With a quick selection of your PC components, you can get a near-accurate analysis of the bottleneck issues.

In addition, using the performance percentage algorithm, this software calculates the CPU and GPU of your device. It displays the components with the most issues while recommending an upgrade if need be.

To use this software for bottleneck calculation, select the CPU model, and choose GPU series and RAM. Then press calculates for auto-analysis result.

The major perk of using this software to calculate bottlenecks is because of its detailed result. It also recommends what to upgrade to improve the system’s performance.

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If you’re looking for a trusted bottleneck calculator, then this might be the right choice for you.

Key features:

  • Great user interface
  • Can get FPS estimates for various games
  • Displays type of bottleneck in easy to understand format
  • Allows you to test your build for different tasks

Try PC Builds Bottleneck Calculator

Another great bottleneck calculator comes from CPU Agent. This service is incredibly simple to use and it will test the performance of your build in over 80 popular titles.

Using the service is simple, and you just need to select your components, RAM speed, the display resolution, and the quality settings that you expect to use in games.

Once the analysis is finished, you’ll see a detailed comparison of your CPU and a different high-end model. You can see all the differences between them at a glance.

You can also see the RAM bottleneck and gaming bottleneck at specific resolutions. Even though this isn’t the most intuitive service, it offers extensive information, so it’s worth trying out if you need a reliable bottleneck calculator for a laptop or desktop.

Key features:

  • Provides detailed benchmark information
  • Focuses on CPU performance
  • Tests performance in over 80 popular titles
  • Perfect for gamers

Try CPU Agent Bottleneck Calculator

How do I interpret bottleneck results?

Bottleneck software isn’t always correct, but it can give you a vague idea of what is causing the slowdown on your PC.

When it comes to numbers, take them with a grain of salt since they aren’t the most accurate representation of an actual CPU or GPU bottleneck.

Instead, focus on researching the component that is causing the bottleneck. Analyze its performance, and bandwidth speed, and make that all other components can match its bandwidth speed.

This isn’t always the most straightforward task, because it requires you to have a solid understanding of PC hardware and its performance.

These are the best calculators for bottleneck analysis available right now. All of them with a similar approach with slight differences in features.

A quick tip to confirm the legitimacy of their result is to examine the Task Manager while actively running the high-end apps that cause your PC to bottleneck.

Our guide on fixing high CPU and low GPU usage may be helpful to you if you want to troubleshoot the problem.

What bottleneck software do you use? Let us know in the comments below.

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